Atoms and the Periodic Table

Front

The number of protons in an element

Back

Atomic Number

Front

The amount of protons and neutrons in an atom of an element

Back

Atomic mass

Front

A row on the periodic table

Back

Period

Front

A column on the periodic table

Back

Group / family

Front

Elements in the same ________ are chemically similar because they have the same number of valence electrons

Back

Group / Family / Column

Front

Elements in the same _______ are not similar

Back

Row / period

Front

To get an element's _______, I look at the atomic number

Back

Protons

Front

To get an element's ______, I round the atomic mass to a whole number and subtract the atomic number

Back

Neutrons

Front

In a neutral (no charge) atom, the electrons are equal to:

Back

The protons / atomic number

Front

__________ electrons are the ones place of the group number, and control chemical reactivity for the group

Back

Valence